'Widal test' definitions:
Definition of 'Widal test'
From: WordNet
noun
A test for detecting typhoid fever and other salmonella infections [syn: Widal test, Widal's test]
Definition of 'Widal test'
From: GCIDE
- Widal's test \Wi*dal's" test\, or Widal test \Wi*dal" test\ or Widal reaction \Wi*dal" reaction\ . [After Fernand Widal (b. 1862), French physician.] (Med.) A test for typhoid fever based on the fact that blood serum of one affected, in a bouillon culture of typhoid bacilli, causes the bacilli to agglutinate and lose their motility. [Webster 1913 Suppl.]